feat: add CERV Shuttle wiki pages (zh+en), global timeline realignment

- Add CERV Shuttle zh+en wiki pages with full technical specs, fleet data, mission history
- Realign all shuttle pages to current simulation time (2060-03-12):
  - Vulture B1 first flight 2037, B1.5 conversion 2051-2053, B2 first flight 2055
  - Echo first flight 2056, operational 2057
  - Enterprise first flight 2057, operational 2058
- Update CERV technical data: dimensions, masses, fuel quantities, endurance
- Expand Vulture fleet with 10 named orbiters, 3-batch structure, rich events table
- Update CERV booster recovery to RTLS mode
- Move reference files to reference/ directory
- Save simulation_time memory reference

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

data/wiki/echo_shuttle_en.html

@@ -74,9 +74,11 @@ body.wiki-image-lightbox-open { overflow: hidden; }
 <tr><td><b>Maximum takeoff mass</b>: 60 t</td></tr>
 <tr><td><b>Payload</b>: 15 t</td></tr>
 <tr><td><b>Crew/passengers</b>: 3 crew + 4 passengers; cargo-bay crew segment can add 4 more</td></tr>
-<tr><td><b>Status</b>: In service</td></tr>
+<tr><td><b>First flight</b>: 2056</td></tr>
+<tr><td><b>Service entry</b>: 2057</td></tr>
+<tr><td><b>Status</b>: In service (early operational phase)</td></tr>
 </tbody></table>
-<p>The <b>Echo Shuttle</b> is a light fully reusable shuttle developed after the introduction of <a href="/home/Space_Shuttles/Vulture_Shuttle_Block_2">Vulture Shuttle Block 2</a>. It is the smaller member of the Echo / Enterprise paired-shuttle program, created to cover high-frequency crew rotation, small cargo transfer, station servicing, rescue standby, mothership docking, and planetary surface shuttle work without using the much larger Vulture stack.</p>
+<p>The <b>Echo Shuttle</b> is a light fully reusable shuttle developed after the introduction of <a href="/home/Space_Shuttles/Vulture_Shuttle_Block_2">Vulture Shuttle Block 2</a>. It is the smaller member of the Echo / Enterprise paired-shuttle program, created to cover high-frequency crew rotation, small cargo transfer, station servicing, rescue standby, mothership docking, and planetary surface shuttle work without using the much larger Vulture stack. First flown in 2056 and entering crew service in 2057, Echo is in its early operational phase; as of March 2060 approximately 75 flights have been completed across about four years of service.</p>
 <p>Echo combines winged atmospheric re-entry and runway landing with vertical takeoff and landing capability. This lets it operate from conventional spaceports as well as from lunar, Martian, or other low-gravity surface sites where runways are unavailable. Its operational role sits between a shuttlecraft and a surface-to-orbit transport: smaller than Enterprise, far smaller than Vulture, but capable of independent orbital maneuvering and high-energy return braking.</p>
 <p>The vehicle carries 15.3 t of high-energy liquid fuel, uses two XP-F700 "Cooper" nuclear aerospike main engines, and is designed for fully uncrewed flight when required. In normal crew service it carries 3 crew and 4 passengers; a cargo-bay crew segment can add 4 additional occupants, with life support rated for 11 people for 40 days.</p>
 <p>In Xihe-class and Stellaria-class exploration mothership operations, Echo is the common externally berthed ferry shuttle. A mothership can carry two Echo shuttles, or replace them with other compatible vehicles, for crew transfer, light cargo, sample return, and emergency evacuation after the mothership reaches its target planetary system.</p>
@@ -144,27 +146,27 @@ body.wiki-image-lightbox-open { overflow: hidden; }
 <p>The normal passenger configuration is 3 crew plus 4 passengers. The cargo-bay crew segment adds 4 seats for evacuation or temporary surge operations. The 11-person, 40-day life-support rating is primarily a contingency margin for rescue delays, weather closure, mothership docking waits, or transfer-window shifts rather than a normal full-duration passenger mode.</p>
 <p>Within the wider shuttle system, Vulture performs trunk-line heavy transport, Enterprise carries medium passenger and cargo batches near major nodes, and Echo handles the final fast link. Large missions often use all three: Vulture brings heavy equipment into the cislunar network, Enterprise supports mothership construction, refit, supply, and near-range transfer, and Echo completes the carried expedition shuttle leg or emergency support task.</p>
 <h2 id="operational-history">Operational history</h2>
-<p>Echo completed its early certification campaign in the first half of the 2060s. Initial flights focused on VTVL control laws, lifting-body low-speed handling, high-orbit braking, and autonomous docking. After crew certification, Echo entered service for near-Earth facilities, lunar bases, and later interplanetary exploration motherships.</p>
+<p>Echo completed its early certification campaign in 2056-2057. Initial flights in 2056 focused on VTVL control laws, lifting-body low-speed handling, and runway operations. Crew certification followed in 2057 with the first crewed orbital mission, after which Echo entered service for near-Earth facilities, lunar bases, and later interplanetary exploration motherships. As of March 2060, the fleet has accumulated approximately 75 flights and remains in its early operational phase.</p>
 <table>
 <thead><tr><th>Mission</th><th>Year</th><th>Objective</th><th>Result</th></tr></thead>
 <tbody>
-<tr><td>EC-V1</td><td>2060</td><td>First complete VTVL takeoff, hover, and autonomous landing</td><td>Validated four-engine auxiliary control.</td></tr>
-<tr><td>EC-R2</td><td>2060</td><td>Runway takeoff and horizontal landing test</td><td>Verified low-speed handling and go-around logic.</td></tr>
-<tr><td>EC-O1</td><td>2061</td><td>First uncrewed orbital flight and runway return</td><td>Main-engine burn and re-entry data were within limits.</td></tr>
-<tr><td>EC-C1</td><td>2062</td><td>First crewed orbital mission</td><td>Certified the 3+4 configuration, orbital TPS inspection, and emergency 11-person mode.</td></tr>
-<tr><td>EC-L1</td><td>2063</td><td>First lunar base shuttle mission</td><td>Completed low-gravity landing, unloading, and crew return.</td></tr>
-<tr><td>EC-M2</td><td>2064</td><td>First mothership berthing mission</td><td>Verified dorsal docking loads and mothership procedures.</td></tr>
+<tr><td>EC-V1</td><td>2056</td><td>First complete VTVL takeoff, hover, and autonomous landing</td><td>Validated four-engine auxiliary control.</td></tr>
+<tr><td>EC-R2</td><td>2056</td><td>Runway takeoff and horizontal landing test</td><td>Verified low-speed handling and go-around logic.</td></tr>
+<tr><td>EC-O1</td><td>2057</td><td>First uncrewed orbital flight and runway return</td><td>Main-engine burn and re-entry data were within limits.</td></tr>
+<tr><td>EC-C1</td><td>2057</td><td>First crewed orbital mission</td><td>Certified the 3+4 configuration, orbital TPS inspection, and emergency 11-person mode.</td></tr>
+<tr><td>EC-L1</td><td>2058</td><td>First lunar base shuttle mission</td><td>Completed low-gravity landing, unloading, and crew return.</td></tr>
+<tr><td>EC-M2</td><td>2058</td><td>First mothership berthing mission</td><td>Verified dorsal docking loads and mothership procedures.</td></tr>
 </tbody></table>
 <div class="launch-chart" role="img" aria-label="Echo Shuttle flight count chart">
 <div class="launch-row launch-head"><span>Year</span><span>Flights</span><span>No.</span><span>Total</span></div>
 <div class="launch-stage-label">Validation phase</div>
-<div class="launch-row"><span>2060</span><span class="launch-track"><span class="launch-bar" style="width:11%;"></span></span><span class="launch-count">8</span><span class="launch-cumulative">8</span></div>
-<div class="launch-row"><span>2061</span><span class="launch-track"><span class="launch-bar" style="width:15%;"></span></span><span class="launch-count">11</span><span class="launch-cumulative">19</span></div>
-<div class="launch-row"><span>2062</span><span class="launch-track"><span class="launch-bar" style="width:25%;"></span></span><span class="launch-count">18</span><span class="launch-cumulative">37</span></div>
-<div class="launch-stage-label">Routine operations</div>
-<div class="launch-row"><span>2063</span><span class="launch-track"><span class="launch-bar" style="width:50%;"></span></span><span class="launch-count">36</span><span class="launch-cumulative">73</span></div>
-<div class="launch-row"><span>2064</span><span class="launch-track"><span class="launch-bar" style="width:75%;"></span></span><span class="launch-count">54</span><span class="launch-cumulative">127</span></div>
-<div class="launch-row"><span>2065</span><span class="launch-track"><span class="launch-bar" style="width:100%;"></span></span><span class="launch-count">72</span><span class="launch-cumulative">199</span></div>
+<div class="launch-row"><span>2056</span><span class="launch-track"><span class="launch-bar" style="width:17%;"></span></span><span class="launch-count">5</span><span class="launch-cumulative">5</span></div>
+<div class="launch-stage-label">Crew certification &amp; early ops</div>
+<div class="launch-row"><span>2057</span><span class="launch-track"><span class="launch-bar" style="width:40%;"></span></span><span class="launch-count">12</span><span class="launch-cumulative">17</span></div>
+<div class="launch-row"><span>2058</span><span class="launch-track"><span class="launch-bar" style="width:67%;"></span></span><span class="launch-count">20</span><span class="launch-cumulative">37</span></div>
+<div class="launch-row"><span>2059</span><span class="launch-track"><span class="launch-bar" style="width:100%;"></span></span><span class="launch-count">30</span><span class="launch-cumulative">67</span></div>
+<div class="launch-stage-label">Current (through March 2060)</div>
+<div class="launch-row"><span>2060</span><span class="launch-track"><span class="launch-bar" style="width:27%;"></span></span><span class="launch-count">~8</span><span class="launch-cumulative">~75</span></div>
 </div>
 <h2 id="safety-and-incidents">Safety and incidents</h2>
 <figure class="thumb tright"><a class="media-link" href="#echo-img-return"><img src="/echo/echo_high_energy_return_braking.png" alt="Echo Shuttle high-energy return braking" data-wiki-asset="/echo/echo_high_energy_return_braking.png"></a><figcaption class="thumbcaption">High-orbit and lunar-return missions require main-engine braking before atmospheric entry.</figcaption></figure>